Home » Search

About regular expression

21-30 of 200Refresh
JPA Doc
20

isNull()

Method javax.persistence.criteria.Expression Predicate isNull() Create a predicate to test whether the expression is null. Returns: predicate testing whether the expression is null Since: JPA 2.0
JPA Doc
20

in(values)

Method javax.persistence.criteria.Expression Predicate in(   Object... values ) Create a predicate to test whether the expression is a member of the argument list. Parameters: values - values to be tested against Returns: predicate testing for membership Since: JPA 2.0
JPA Doc
20

in(values)

Method javax.persistence.criteria.Expression Predicate in(   Collection values ) Create a predicate to test whether the expression is a member of the collection. Parameters: values - collection of values to be tested against Returns: predicate testing for membership Since: JPA 2.0
Manual
19

WHERE clause (JPQL / Criteria API)

, the WHERE clause gets an opportunity to function as a filter. The boolean expression in ... objects for which the predicate expression evaluates to TRUE are passed to the SELECT clause ... , making indexes even more essential. JPQL Expressions in WHERE The above queries demonstrate
Manual
19

Collections in JPQL and Criteria Queries

. as path expressions - in navigation to persistent collection fields. IS [NOT] EMPTY The IS [NOT ... Expressions JPQL collection operators and functions (which are described above) are available also as JPA criteria query expressions. The CriteriaBuilder interface provides factory methods for building
Manual
14

SELECT clause (JPQL / Criteria API)

objects. JPA 2 adds the ability to use almost any valid JPQL expression in SELECT clauses ... - JPQL does not support the "SELECT *" expression (which is commonly used in SQL). Projection of Path Expressions JPQL queries can also return results which are not entity objects. For example
Manual
14

Date and Time in JPQL and Criteria Queries

Date and time expressions may appear in JPQL queries: as date and time literals - e.g. {d '2011-12 ... expressions - in navigation to persistent date and time fields. as results of predefined JPQL current date and time functions. Current Date and Time JPA defines special JPQL expressions
Manual
13

GROUP BY and HAVING clauses

the first letters as result. ObjectDB is very flexible in allowing JPQL expressions anywhere in ... . Only identification variables and path expressions are currently supported in the GROUP BY clause by all the JPA ... that are in use by countries in that group. The DISTINCT keyword in a COUNT aggregate expression, as
Manual
11

JPA Criteria API Queries

, the range variable, c, is also used in the SELECT clause as the query result expression ... on how to set criteria query clauses and build criteria expressions. Running this query requires ... , including in the context of string based JPQL queries. Criteria Query Expressions JPA query clauses
JPA Doc
8

javax.persistence.criteria.Subquery

javax.persistence.criteria Interface Subquery Superinterfaces: AbstractQuery, Expressionexpression as its selection item. Since: JPA 2.0 Selection alias(String ... Returns: selection item Since: JPA 2.0 Expression as(Class type) Perform a typecast